Update the copyright coredits -- Happy new year 2013!
[oota-llvm.git] / lib / Support / ToolOutputFile.cpp
1 //===--- ToolOutputFile.cpp - Implement the tool_output_file class --------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This implements the tool_output_file class.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "llvm/Support/ToolOutputFile.h"
15 #include "llvm/Support/Signals.h"
16 using namespace llvm;
17
18 tool_output_file::CleanupInstaller::CleanupInstaller(const char *filename)
19   : Filename(filename), Keep(false) {
20   // Arrange for the file to be deleted if the process is killed.
21   if (Filename != "-")
22     sys::RemoveFileOnSignal(sys::Path(Filename));
23 }
24
25 tool_output_file::CleanupInstaller::~CleanupInstaller() {
26   // Delete the file if the client hasn't told us not to.
27   if (!Keep && Filename != "-")
28     sys::Path(Filename).eraseFromDisk();
29
30   // Ok, the file is successfully written and closed, or deleted. There's no
31   // further need to clean it up on signals.
32   if (Filename != "-")
33     sys::DontRemoveFileOnSignal(sys::Path(Filename));
34 }
35
36 tool_output_file::tool_output_file(const char *filename, std::string &ErrorInfo,
37                                    unsigned Flags)
38   : Installer(filename),
39     OS(filename, ErrorInfo, Flags) {
40   // If open fails, no cleanup is needed.
41   if (!ErrorInfo.empty())
42     Installer.Keep = true;
43 }